Martin had orginally invited Alan Moore to participate in "Wildcards" -- but the writer, who was working on "Watchmen" at the time, never responded! However, another young comic creator named "Neil" was interested in contributing to "Wildcards," and pitched a character that would go one to be one of the most famous in comic book history!

Watch the video to find out who this character was, and get the whole story directly from Martin & Gaiman themselves!